Our textbook discusses the cosmic calendar, a model of the history of the universe scaled to a single year. The length of time represented by one month on this cosmic calendar is therefore
A)about one million years.
B)about ten billion years.
C)about ten million years.
D)about 1000 years.
E)about one billion years.

Question

Quizplus · Accepted Answer

The cosmic calendar compresses the 13.8 billion-year history of the universe into one year, making each month represent about 1.15 billion years.

Our Textbook Discusses the Cosmic Calendar, a Model of the History